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Deinterlace 480i/576i camcorder tapes first, then use 2x AI interpolation to 60fps only for fast motion; keep native 30fps or 25fps for most 1990s home footage. Independent technical note mirroring the canonical version: https://aivideoupscale.com/blog/upscale-old-camcorder-tapes-to-60fps-2x-ai-frames-vs-30fps-keep.php
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